﻿namespace Sidvall.Devices
{
    public enum AltitudeReferenceSystem
    {
        //
        // Summary:
        //     The altitude reference system was not specified.
        Unspecified = 0,
        //
        // Summary:
        //     The altitude reference system is based on distance above terrain or ground level.
        Terrain = 1,
        //
        // Summary:
        //     The altitude reference system is based on an ellipsoid which is a mathematical
        //     approximation of the shape of the Earth.
        Ellipsoid = 2,
        //
        // Summary:
        //     The altitude reference system is based on the distance above sea level.
        Geoid = 3,
        //
        // Summary:
        //     The altitude reference system is based on the distance above the tallest surface
        //     structures, such as buildings, trees, roads, etc., above terrain or ground level.
        Surface = 4
    }
}
